Two or more pet cats, the acquiring of which signifies commitment in a relationship.

Friend 1: "My partner and I adopted two cats from the shelter yesterday."
Friend 2: "You lesbians move so fast. You only met last week, and now you've shacked up together with a pair of committens. Next you'll open a feminist co-op bookstore together and drink tea made from under-arm hair".
Friend 1: "Yup. Ain't lifegrand?!"